活断層トレンチにおける透過X線を用いた断層面の観察手法

活断層研究 Issue 15 Page 48-54 published_at 1996-11
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Title ( jpn )
活断層トレンチにおける透過X線を用いた断層面の観察手法
Title ( eng )
X-radiography of faults in the trenching study of active faults
Creator
Sato Hiroshi
Ishimaru Koson
Source Title
活断層研究
Issue 15
Start Page 48
End Page 54
Abstract
To determine paleoseismic events from trench walls of active faults, precise observation of displaced horizon by fault are very important. However, fault traces in humic soil and peat are sometimes very difficult to detect. X-radiography was used to identify the fault plane in the samples from the Kamishiro trench across the Itoigawa-Shizuoka Tectonic Line.

The fault which is hardly identified on the eyes was succesfully identified by X-radiography. We described the detailed sampling method and condition of X-radiography. X-radiography is useful tool for the precise determination of paleoseismic event form trench walls.
Keywords
透過X線
トレンチ調査
活断層
断層面
神城断層
X-radiography
trenching survey
active fault
fault plane
Kamishiro fault
NDC
Earth sciences. Geology [ 450 ]
Language
jpn
Resource Type journal article
Publisher
活断層研究会
Date of Issued 1996-11
Publish Type Version of Record
Access Rights open access
Source Identifier
[ISSN] 0918-1024
[NCID] AN10157356
[URI] http://topo.earth.chiba-u.jp/afr/index.htm